X520-LR1 10GBase-LR SFP+ PCIEx8 Network Adapter
Network Interface Card - PCI-Express 2.0 x8 Bus - SFP+ Connector(s) - 1-Port - Intel 82599 Chipset - 10GBase-LR Standard - Low-Profile Form Factor - 1x SFP+ Ports (10Gb) - Compatible with Windows / Linux - Lifetime Depot Carry-In Mfg. Warranty